Translation guide
The process or activity of building or repairing roads. In Japanese, this is most commonly expressed with the noun 道路工事 (dōro kōji) or the verb phrase 道路を建設する (dōro o kensetsu suru). The choice depends on whether you are referring to the general activity, a specific project, or the act of building.
Referring to road construction as a general concept, a specific project, or the industry.
The most common and natural term for road construction, covering both building new roads and repairing existing ones. It is a noun and can be used in various contexts.
この道路工事は来月終わる予定です。
This road construction is scheduled to finish next month.
道路工事のため、通行止めになっています。
The road is closed due to road construction.
A verb phrase meaning 'to construct a road'. It emphasizes the act of building a new road rather than repair work. More formal than 道路を作る.
新しい高速道路を建設する計画があります。
There is a plan to construct a new highway.
A more casual verb phrase meaning 'to make/build a road'. It can be used for both new construction and repairs, but is less formal than 建設する.
山の中に道路を作るのは大変だ。
Building a road in the mountains is tough.
A more formal or technical term for road construction, often used in official documents or news reports. It emphasizes the construction aspect rather than maintenance.
道路建設による環境への影響が懸念されている。
The environmental impact of road construction is a concern.
Specifically referring to repairing, resurfacing, or maintaining existing roads.
Refers specifically to road repair or maintenance work. It is a noun and is commonly seen on signs or in announcements.
道路補修のため、車線が規制されています。
Lanes are restricted due to road repair work.
Verb phrase meaning 'to repair a road'. It is more specific than 道路工事 when you want to emphasize repair rather than new construction.
市は来月、この道路を補修する予定です。
The city plans to repair this road next month.
Loanword from English 'maintenance'. Used in technical or business contexts to refer to ongoing road maintenance.
道路メンテナンスのコストが増加している。
Road maintenance costs are increasing.
Referring to the physical location where road work is taking place.
General term for a construction site. When context makes it clear, it can refer to a road construction site. Often used with 道路の to specify.
道路の工事現場では、安全ベストを着用してください。
Please wear a safety vest at the road construction site.
More specific term for a road construction site. It explicitly combines road and construction site.
道路工事現場の近くでは徐行してください。
Please drive slowly near the road construction site.
道路工事 is the general term for road construction and includes both new construction and repair work. 道路建設 specifically refers to the construction of new roads and is more formal. In everyday conversation, 道路工事 is the safest choice.
この辺りはよく道路工事をしている。
There is often road construction around here.
道路建設には莫大な費用がかかる。
Road construction requires enormous costs.
While 道 (michi) can mean 'road', the compound 道路 (dōro) is the standard term for roads in the context of construction. 道の建設 is not idiomatic and sounds unnatural.